Ramírez, Andrés Mauricio, Oscar Polanco-Sarmiento, and Fabio Germán Guerrero. “Learning Tool for IPSEC With Emphasis on the Use of MGRE in Corporate Networks”. Revista UIS Ingenierías 12, no. 1 (May 11, 2013): 61–70. Accessed July 22, 2024. https://revistas.uis.edu.co/index.php/revistauisingenierias/article/view/3712.